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author | Andrei Emeltchenko <andrei.emeltchenko@nokia.com> | 2010-09-15 11:28:43 (GMT) |
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committer | Gustavo F. Padovan <padovan@profusion.mobi> | 2010-10-12 15:44:52 (GMT) |
commit | aae7fe22a875a84e328469e228cba033ebbf20cb (patch) | |
tree | 7d626dac2d97753784bd85f23c2480682c7f6745 /net/bluetooth | |
parent | 8979481328dc2e14cea9f99b3562ffcf8655998e (diff) | |
download | linux-fsl-qoriq-aae7fe22a875a84e328469e228cba033ebbf20cb.tar.xz |
Bluetooth: check for l2cap header in start fragment
BLUETOOTH SPECIFICATION Version 4.0 [Vol 3] page 36 mentioned
"Note: Start Fragments always begin with the Basic L2CAP header
of a PDU."
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@nokia.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'net/bluetooth')
-rw-r--r-- | net/bluetooth/l2cap.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index 5441083..7da6432 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -4675,7 +4675,8 @@ static int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 fl l2cap_conn_unreliable(conn, ECOMM); } - if (skb->len < 2) { + /* Start fragment always begin with Basic L2CAP header */ + if (skb->len < L2CAP_HDR_SIZE) { BT_ERR("Frame is too short (len %d)", skb->len); l2cap_conn_unreliable(conn, ECOMM); goto drop; |